A woman in her forties, a narrow upper arch, and a setup that shows 4 mm more width across the premolars. In an adult the midpalatal suture is fused, so that width cannot come from the bone opening. It has to come out of the alveolus you already have. How to tell a dental transverse problem from a skeletal one, when to bring in skeletal anchorage, and why expanded arches go looking for home.

Why staging and biomechanics are the core of predictable aligner treatments Success with clear aligners is not simply about creating a...

Mastering macro-staging, micro-staging, and digital treatment preferences to achieve predictable aligner outcomes. When planning clear...